zirconia

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

n. Cubic zirconia.

from Wiktionary, Creative Commons Attribution/Share-Alike License

n. The oxide of zirconium, obtained as a white powder, and possessing both acid and basic properties. On account of its infusibility, and brilliant luminosity when incandescent, it is used as an ingredient of sticks for the Drummond light.

from the GNU version of the Collaborative International Dictionary of English

n. The oxide of zirconium (ZrO2), obtained as a white powder, and possessing both acid and basic properties. On account of its infusibility, and brilliant luminosity when incandescent, it is used as an ingredient of sticks for the Drummomd light.

from The Century Dictionary and Cyclopedia

n. This earth is now of industrial value as the chief material used in the ‘glower’ of the Nernst incandescent electric lamp. The glower commonly consists of about 85 per cent. zirconia and 15 per cent. yttria or mixed earths of that class.

n. An oxid, ZrO, of the metal zirconium, resembling alumina in appearance. It is so hard as to scratch glass.